The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/amd64/linux32/linux.h

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    1 /*-
    2  * Copyright (c) 2004 Tim J. Robbins
    3  * Copyright (c) 2001 Doug Rabson
    4  * Copyright (c) 1994-1996 Søren Schmidt
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer
   12  *    in this position and unchanged.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. The name of the author may not be used to endorse or promote products
   17  *    derived from this software without specific prior written permission
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   29  *
   30  * $FreeBSD: releng/7.4/sys/amd64/linux32/linux.h 194404 2009-06-17 21:49:41Z dchagin $
   31  */
   32 
   33 #ifndef _AMD64_LINUX_H_
   34 #define _AMD64_LINUX_H_
   35 
   36 #include <amd64/linux32/linux32_syscall.h>
   37 
   38 /*
   39  * debugging support
   40  */
   41 extern u_char linux_debug_map[];
   42 #define ldebug(name)    isclr(linux_debug_map, LINUX_SYS_linux_ ## name)
   43 #define ARGS(nm, fmt)   "linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid
   44 #define LMSG(fmt)       "linux(%ld): "fmt"\n", (long)td->td_proc->p_pid
   45 
   46 #ifdef MALLOC_DECLARE
   47 MALLOC_DECLARE(M_LINUX);
   48 #endif
   49 
   50 #define LINUX32_USRSTACK        ((1ul << 32) - PAGE_SIZE)
   51 /* XXX 16 = sizeof(linux32_ps_strings) */
   52 #define LINUX32_PS_STRINGS      (LINUX32_USRSTACK - 16)
   53 #define LINUX32_MAXDSIZ         (512 * 1024 * 1024)     /* 512MB */
   54 #define LINUX32_MAXSSIZ         (64 * 1024 * 1024)      /* 64MB */
   55 #define LINUX32_MAXVMEM         0                       /* Unlimited */
   56 
   57 #define PTRIN(v)        (void *)(uintptr_t)(v)
   58 #define PTROUT(v)       (l_uintptr_t)(uintptr_t)(v)
   59 
   60 /*
   61  * Provide a separate set of types for the Linux types.
   62  */
   63 typedef int             l_int;
   64 typedef int32_t         l_long;
   65 typedef int64_t         l_longlong;
   66 typedef short           l_short;
   67 typedef unsigned int    l_uint;
   68 typedef uint32_t        l_ulong;
   69 typedef uint64_t        l_ulonglong;
   70 typedef unsigned short  l_ushort;
   71 
   72 typedef l_ulong         l_uintptr_t;
   73 typedef l_long          l_clock_t;
   74 typedef l_int           l_daddr_t;
   75 typedef l_ushort        l_dev_t;
   76 typedef l_uint          l_gid_t;
   77 typedef l_ushort        l_gid16_t;
   78 typedef l_ulong         l_ino_t;
   79 typedef l_int           l_key_t;
   80 typedef l_longlong      l_loff_t;
   81 typedef l_ushort        l_mode_t;
   82 typedef l_long          l_off_t;
   83 typedef l_int           l_pid_t;
   84 typedef l_uint          l_size_t;
   85 typedef l_long          l_suseconds_t;
   86 typedef l_long          l_time_t;
   87 typedef l_uint          l_uid_t;
   88 typedef l_ushort        l_uid16_t;
   89 
   90 typedef struct {
   91         l_int           val[2];
   92 } __packed l_fsid_t;
   93 
   94 typedef struct {
   95         l_time_t        tv_sec;
   96         l_suseconds_t   tv_usec;
   97 } l_timeval;
   98 
   99 #define l_fd_set        fd_set
  100 
  101 /*
  102  * Miscellaneous
  103  */
  104 #define LINUX_NAME_MAX          255
  105 #define LINUX_MAX_UTSNAME       65
  106 
  107 #define LINUX_CTL_MAXNAME       10
  108 
  109 #define LINUX_AT_COUNT          16      /* Count of used aux entry types.
  110                                          * Keep this synchronized with
  111                                          * elf_linux_fixup() code.
  112                                          */
  113 struct l___sysctl_args
  114 {
  115         l_uintptr_t     name;
  116         l_int           nlen;
  117         l_uintptr_t     oldval;
  118         l_uintptr_t     oldlenp;
  119         l_uintptr_t     newval;
  120         l_size_t        newlen;
  121         l_ulong         __spare[4];
  122 } __packed;
  123 
  124 /* Scheduling policies */
  125 #define LINUX_SCHED_OTHER       0
  126 #define LINUX_SCHED_FIFO        1
  127 #define LINUX_SCHED_RR          2
  128 
  129 /* Resource limits */
  130 #define LINUX_RLIMIT_CPU        0
  131 #define LINUX_RLIMIT_FSIZE      1
  132 #define LINUX_RLIMIT_DATA       2
  133 #define LINUX_RLIMIT_STACK      3
  134 #define LINUX_RLIMIT_CORE       4
  135 #define LINUX_RLIMIT_RSS        5
  136 #define LINUX_RLIMIT_NPROC      6
  137 #define LINUX_RLIMIT_NOFILE     7
  138 #define LINUX_RLIMIT_MEMLOCK    8
  139 #define LINUX_RLIMIT_AS         9       /* Address space limit */
  140 
  141 #define LINUX_RLIM_NLIMITS      10
  142 
  143 struct l_rlimit {
  144         l_ulong rlim_cur;
  145         l_ulong rlim_max;
  146 } __packed;
  147 
  148 struct l_rusage {
  149         l_timeval ru_utime;
  150         l_timeval ru_stime;
  151         l_long  ru_maxrss;
  152         l_long  ru_ixrss;
  153         l_long  ru_idrss;
  154         l_long  ru_isrss;
  155         l_long  ru_minflt;
  156         l_long  ru_majflt;
  157         l_long  ru_nswap;
  158         l_long  ru_inblock;
  159         l_long  ru_oublock;
  160         l_long  ru_msgsnd;
  161         l_long  ru_msgrcv;
  162         l_long  ru_nsignals;
  163         l_long  ru_nvcsw;
  164         l_long  ru_nivcsw;
  165 } __packed;
  166 
  167 /* mmap options */
  168 #define LINUX_MAP_SHARED        0x0001
  169 #define LINUX_MAP_PRIVATE       0x0002
  170 #define LINUX_MAP_FIXED         0x0010
  171 #define LINUX_MAP_ANON          0x0020
  172 #define LINUX_MAP_GROWSDOWN     0x0100
  173 
  174 struct l_mmap_argv {
  175         l_uintptr_t     addr;
  176         l_size_t        len;
  177         l_int           prot;
  178         l_int           flags;
  179         l_int           fd;
  180         l_off_t         pgoff;
  181 } __packed;
  182 
  183 /*
  184  * stat family of syscalls
  185  */
  186 struct l_timespec {
  187         l_time_t        tv_sec;
  188         l_long          tv_nsec;
  189 } __packed;
  190 
  191 struct l_newstat {
  192         l_ushort        st_dev;
  193         l_ushort        __pad1;
  194         l_ulong         st_ino;
  195         l_ushort        st_mode;
  196         l_ushort        st_nlink;
  197         l_ushort        st_uid;
  198         l_ushort        st_gid;
  199         l_ushort        st_rdev;
  200         l_ushort        __pad2;
  201         l_ulong         st_size;
  202         l_ulong         st_blksize;
  203         l_ulong         st_blocks;
  204         struct l_timespec       st_atimespec;
  205         struct l_timespec       st_mtimespec;
  206         struct l_timespec       st_ctimespec;
  207         l_ulong         __unused4;
  208         l_ulong         __unused5;
  209 } __packed;
  210 
  211 struct l_stat {
  212         l_ushort        st_dev;
  213         l_ulong         st_ino;
  214         l_ushort        st_mode;
  215         l_ushort        st_nlink;
  216         l_ushort        st_uid;
  217         l_ushort        st_gid;
  218         l_ushort        st_rdev;
  219         l_long          st_size;
  220         struct l_timespec       st_atimespec;
  221         struct l_timespec       st_mtimespec;
  222         struct l_timespec       st_ctimespec;
  223         l_long          st_blksize;
  224         l_long          st_blocks;
  225         l_ulong         st_flags;
  226         l_ulong         st_gen;
  227 };
  228 
  229 struct l_stat64 {
  230         l_ushort        st_dev;
  231         u_char          __pad0[10];
  232         l_ulong         __st_ino;
  233         l_uint          st_mode;
  234         l_uint          st_nlink;
  235         l_ulong         st_uid;
  236         l_ulong         st_gid;
  237         l_ushort        st_rdev;
  238         u_char          __pad3[10];
  239         l_longlong      st_size;
  240         l_ulong         st_blksize;
  241         l_ulong         st_blocks;
  242         l_ulong         __pad4;
  243         struct l_timespec       st_atimespec;
  244         struct l_timespec       st_mtimespec;
  245         struct l_timespec       st_ctimespec;
  246         l_ulonglong     st_ino;
  247 } __packed;
  248 
  249 struct l_statfs64 { 
  250         l_int           f_type; 
  251         l_int           f_bsize; 
  252         uint64_t        f_blocks; 
  253         uint64_t        f_bfree; 
  254         uint64_t        f_bavail; 
  255         uint64_t        f_files; 
  256         uint64_t        f_ffree; 
  257         l_fsid_t        f_fsid;
  258         l_int           f_namelen;
  259         l_int           f_spare[6];
  260 } __packed;
  261 
  262 struct l_new_utsname {
  263         char    sysname[LINUX_MAX_UTSNAME];
  264         char    nodename[LINUX_MAX_UTSNAME];
  265         char    release[LINUX_MAX_UTSNAME];
  266         char    version[LINUX_MAX_UTSNAME];
  267         char    machine[LINUX_MAX_UTSNAME];
  268         char    domainname[LINUX_MAX_UTSNAME];
  269 } __packed;
  270 
  271 /*
  272  * Signalling
  273  */
  274 #define LINUX_SIGHUP            1
  275 #define LINUX_SIGINT            2
  276 #define LINUX_SIGQUIT           3
  277 #define LINUX_SIGILL            4
  278 #define LINUX_SIGTRAP           5
  279 #define LINUX_SIGABRT           6
  280 #define LINUX_SIGIOT            LINUX_SIGABRT
  281 #define LINUX_SIGBUS            7
  282 #define LINUX_SIGFPE            8
  283 #define LINUX_SIGKILL           9
  284 #define LINUX_SIGUSR1           10
  285 #define LINUX_SIGSEGV           11
  286 #define LINUX_SIGUSR2           12
  287 #define LINUX_SIGPIPE           13
  288 #define LINUX_SIGALRM           14
  289 #define LINUX_SIGTERM           15
  290 #define LINUX_SIGSTKFLT         16
  291 #define LINUX_SIGCHLD           17
  292 #define LINUX_SIGCONT           18
  293 #define LINUX_SIGSTOP           19
  294 #define LINUX_SIGTSTP           20
  295 #define LINUX_SIGTTIN           21
  296 #define LINUX_SIGTTOU           22
  297 #define LINUX_SIGURG            23
  298 #define LINUX_SIGXCPU           24
  299 #define LINUX_SIGXFSZ           25
  300 #define LINUX_SIGVTALRM         26
  301 #define LINUX_SIGPROF           27
  302 #define LINUX_SIGWINCH          28
  303 #define LINUX_SIGIO             29
  304 #define LINUX_SIGPOLL           LINUX_SIGIO
  305 #define LINUX_SIGPWR            30
  306 #define LINUX_SIGSYS            31
  307 
  308 #define LINUX_SIGTBLSZ          31
  309 #define LINUX_NSIG_WORDS        2
  310 #define LINUX_NBPW              32
  311 #define LINUX_NSIG              (LINUX_NBPW * LINUX_NSIG_WORDS)
  312 
  313 /* sigaction flags */
  314 #define LINUX_SA_NOCLDSTOP      0x00000001
  315 #define LINUX_SA_NOCLDWAIT      0x00000002
  316 #define LINUX_SA_SIGINFO        0x00000004
  317 #define LINUX_SA_RESTORER       0x04000000
  318 #define LINUX_SA_ONSTACK        0x08000000
  319 #define LINUX_SA_RESTART        0x10000000
  320 #define LINUX_SA_INTERRUPT      0x20000000
  321 #define LINUX_SA_NOMASK         0x40000000
  322 #define LINUX_SA_ONESHOT        0x80000000
  323 
  324 /* sigprocmask actions */
  325 #define LINUX_SIG_BLOCK         0
  326 #define LINUX_SIG_UNBLOCK       1
  327 #define LINUX_SIG_SETMASK       2
  328 
  329 /* sigset_t macros */
  330 #define LINUX_SIGEMPTYSET(set)          (set).__bits[0] = (set).__bits[1] = 0
  331 #define LINUX_SIGISMEMBER(set, sig)     SIGISMEMBER(set, sig)
  332 #define LINUX_SIGADDSET(set, sig)       SIGADDSET(set, sig)
  333 
  334 /* sigaltstack */
  335 #define LINUX_MINSIGSTKSZ       2048
  336 #define LINUX_SS_ONSTACK        1
  337 #define LINUX_SS_DISABLE        2
  338 
  339 int linux_to_bsd_sigaltstack(int lsa);
  340 int bsd_to_linux_sigaltstack(int bsa);
  341 
  342 typedef l_uintptr_t l_handler_t;
  343 typedef l_ulong l_osigset_t;
  344 
  345 typedef struct {
  346         l_uint  __bits[LINUX_NSIG_WORDS];
  347 } __packed l_sigset_t;
  348 
  349 typedef struct {
  350         l_handler_t     lsa_handler;
  351         l_osigset_t     lsa_mask;
  352         l_ulong         lsa_flags;
  353         l_uintptr_t     lsa_restorer;
  354 } __packed l_osigaction_t;
  355 
  356 typedef struct {
  357         l_handler_t     lsa_handler;
  358         l_ulong         lsa_flags;
  359         l_uintptr_t     lsa_restorer;
  360         l_sigset_t      lsa_mask;
  361 } __packed l_sigaction_t;
  362 
  363 typedef struct {
  364         l_uintptr_t     ss_sp;
  365         l_int           ss_flags;
  366         l_size_t        ss_size;
  367 } __packed l_stack_t;
  368 
  369 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
  370 struct l_sigcontext {
  371         l_int           sc_gs;
  372         l_int           sc_fs;
  373         l_int           sc_es;
  374         l_int           sc_ds;
  375         l_int           sc_edi;
  376         l_int           sc_esi;
  377         l_int           sc_ebp;
  378         l_int           sc_esp;
  379         l_int           sc_ebx;
  380         l_int           sc_edx;
  381         l_int           sc_ecx;
  382         l_int           sc_eax;
  383         l_int           sc_trapno;
  384         l_int           sc_err;
  385         l_int           sc_eip;
  386         l_int           sc_cs;
  387         l_int           sc_eflags;
  388         l_int           sc_esp_at_signal;
  389         l_int           sc_ss;
  390         l_int           sc_387;
  391         l_int           sc_mask;
  392         l_int           sc_cr2;
  393 } __packed;
  394 
  395 struct l_ucontext {
  396         l_ulong         uc_flags;
  397         l_uintptr_t     uc_link;
  398         l_stack_t       uc_stack;
  399         struct l_sigcontext     uc_mcontext;
  400         l_sigset_t      uc_sigmask;
  401 } __packed;
  402 
  403 #define LINUX_SI_MAX_SIZE       128
  404 #define LINUX_SI_PAD_SIZE       ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
  405 
  406 union l_sigval {
  407         l_int           sival_int;
  408         l_uintptr_t     sival_ptr;
  409 };
  410 
  411 typedef struct l_siginfo {
  412         l_int           lsi_signo;
  413         l_int           lsi_errno;
  414         l_int           lsi_code;
  415         union {
  416                 l_int   _pad[LINUX_SI_PAD_SIZE];
  417 
  418                 struct {
  419                         l_pid_t         _pid;
  420                         l_uid16_t       _uid;
  421                 } __packed _kill;
  422 
  423                 struct {
  424                         l_uint          _timer1;
  425                         l_uint          _timer2;
  426                 } __packed _timer;
  427 
  428                 struct {
  429                         l_pid_t         _pid;           /* sender's pid */
  430                         l_uid16_t       _uid;           /* sender's uid */
  431                         union l_sigval _sigval;
  432                 } __packed _rt;
  433 
  434                 struct {
  435                         l_pid_t         _pid;           /* which child */
  436                         l_uid16_t       _uid;           /* sender's uid */
  437                         l_int           _status;        /* exit code */
  438                         l_clock_t       _utime;
  439                         l_clock_t       _stime;
  440                 } __packed _sigchld;
  441 
  442                 struct {
  443                         l_uintptr_t     _addr;  /* Faulting insn/memory ref. */
  444                 } __packed _sigfault;
  445 
  446                 struct {
  447                         l_int           _band;  /* POLL_IN,POLL_OUT,POLL_MSG */
  448                         l_int           _fd;
  449                 } __packed _sigpoll;
  450         } _sifields;
  451 } __packed l_siginfo_t;
  452 
  453 #define lsi_pid         _sifields._kill._pid
  454 #define lsi_uid         _sifields._kill._uid
  455 #define lsi_status      _sifields._sigchld._status
  456 #define lsi_utime       _sifields._sigchld._utime
  457 #define lsi_stime       _sifields._sigchld._stime
  458 #define lsi_value       _sifields._rt._sigval
  459 #define lsi_int         _sifields._rt._sigval.sival_int
  460 #define lsi_ptr         _sifields._rt._sigval.sival_ptr
  461 #define lsi_addr        _sifields._sigfault._addr
  462 #define lsi_band        _sifields._sigpoll._band
  463 #define lsi_fd          _sifields._sigpoll._fd
  464 
  465 struct l_fpreg {
  466         u_int16_t       significand[4];
  467         u_int16_t       exponent;
  468 } __packed;
  469 
  470 struct l_fpxreg {
  471         u_int16_t       significand[4];
  472         u_int16_t       exponent;
  473         u_int16_t       padding[3];
  474 } __packed;
  475 
  476 struct l_xmmreg {
  477         u_int32_t       element[4];
  478 } __packed;
  479 
  480 struct l_fpstate {
  481         /* Regular FPU environment */
  482         u_int32_t               cw;
  483         u_int32_t               sw;
  484         u_int32_t               tag;
  485         u_int32_t               ipoff;
  486         u_int32_t               cssel;
  487         u_int32_t               dataoff;
  488         u_int32_t               datasel;
  489         struct l_fpreg          _st[8];
  490         u_int16_t               status;
  491         u_int16_t               magic;          /* 0xffff = regular FPU data */
  492 
  493         /* FXSR FPU environment */
  494         u_int32_t               _fxsr_env[6];   /* env is ignored. */
  495         u_int32_t               mxcsr;
  496         u_int32_t               reserved;
  497         struct l_fpxreg         _fxsr_st[8];    /* reg data is ignored. */
  498         struct l_xmmreg         _xmm[8];
  499         u_int32_t               padding[56];
  500 } __packed;
  501 
  502 /*
  503  * We make the stack look like Linux expects it when calling a signal
  504  * handler, but use the BSD way of calling the handler and sigreturn().
  505  * This means that we need to pass the pointer to the handler too.
  506  * It is appended to the frame to not interfere with the rest of it.
  507  */
  508 struct l_sigframe {
  509         l_int                   sf_sig;
  510         struct l_sigcontext     sf_sc;
  511         struct l_fpstate        sf_fpstate;
  512         l_uint                  sf_extramask[LINUX_NSIG_WORDS-1];
  513         l_handler_t             sf_handler;
  514 } __packed;
  515 
  516 struct l_rt_sigframe {
  517         l_int                   sf_sig;
  518         l_uintptr_t             sf_siginfo;
  519         l_uintptr_t             sf_ucontext;
  520         l_siginfo_t             sf_si;
  521         struct l_ucontext       sf_sc;
  522         l_handler_t             sf_handler;
  523 } __packed;
  524 
  525 extern int bsd_to_linux_signal[];
  526 extern int linux_to_bsd_signal[];
  527 extern struct sysentvec elf_linux_sysvec;
  528 
  529 /*
  530  * Pluggable ioctl handlers
  531  */
  532 struct linux_ioctl_args;
  533 struct thread;
  534 
  535 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
  536 
  537 struct linux_ioctl_handler {
  538         linux_ioctl_function_t *func;
  539         int     low, high;
  540 };
  541 
  542 int     linux_ioctl_register_handler(struct linux_ioctl_handler *h);
  543 int     linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
  544 
  545 /*
  546  * open/fcntl flags
  547  */
  548 #define LINUX_O_RDONLY          00000000
  549 #define LINUX_O_WRONLY          00000001
  550 #define LINUX_O_RDWR            00000002
  551 #define LINUX_O_ACCMODE         00000003
  552 #define LINUX_O_CREAT           00000100
  553 #define LINUX_O_EXCL            00000200
  554 #define LINUX_O_NOCTTY          00000400
  555 #define LINUX_O_TRUNC           00001000
  556 #define LINUX_O_APPEND          00002000
  557 #define LINUX_O_NONBLOCK        00004000
  558 #define LINUX_O_NDELAY          LINUX_O_NONBLOCK
  559 #define LINUX_O_SYNC            00010000
  560 #define LINUX_FASYNC            00020000
  561 #define LINUX_O_DIRECT          00040000        /* Direct disk access hint */
  562 #define LINUX_O_LARGEFILE       00100000
  563 #define LINUX_O_DIRECTORY       00200000        /* Must be a directory */
  564 #define LINUX_O_NOFOLLOW        00400000        /* Do not follow links */
  565 #define LINUX_O_NOATIME         01000000
  566 #define LINUX_O_CLOEXEC         02000000
  567 
  568 #define LINUX_F_DUPFD           0
  569 #define LINUX_F_GETFD           1
  570 #define LINUX_F_SETFD           2
  571 #define LINUX_F_GETFL           3
  572 #define LINUX_F_SETFL           4
  573 #define LINUX_F_GETLK           5
  574 #define LINUX_F_SETLK           6
  575 #define LINUX_F_SETLKW          7
  576 #define LINUX_F_SETOWN          8
  577 #define LINUX_F_GETOWN          9
  578 
  579 #define LINUX_F_GETLK64         12
  580 #define LINUX_F_SETLK64         13
  581 #define LINUX_F_SETLKW64        14
  582 
  583 #define LINUX_F_RDLCK           0
  584 #define LINUX_F_WRLCK           1
  585 #define LINUX_F_UNLCK           2
  586 
  587 #define LINUX_AT_FDCWD          -100
  588 
  589 /*
  590  * mount flags
  591  */
  592 #define LINUX_MS_RDONLY         0x0001
  593 #define LINUX_MS_NOSUID         0x0002
  594 #define LINUX_MS_NODEV          0x0004
  595 #define LINUX_MS_NOEXEC         0x0008
  596 #define LINUX_MS_REMOUNT        0x0020
  597 
  598 /*
  599  * SystemV IPC defines
  600  */
  601 #define LINUX_SEMOP             1
  602 #define LINUX_SEMGET            2
  603 #define LINUX_SEMCTL            3
  604 #define LINUX_MSGSND            11
  605 #define LINUX_MSGRCV            12
  606 #define LINUX_MSGGET            13
  607 #define LINUX_MSGCTL            14
  608 #define LINUX_SHMAT             21
  609 #define LINUX_SHMDT             22
  610 #define LINUX_SHMGET            23
  611 #define LINUX_SHMCTL            24
  612 
  613 #define LINUX_IPC_RMID          0
  614 #define LINUX_IPC_SET           1
  615 #define LINUX_IPC_STAT          2
  616 #define LINUX_IPC_INFO          3
  617 
  618 #define LINUX_SHM_LOCK          11
  619 #define LINUX_SHM_UNLOCK        12
  620 #define LINUX_SHM_STAT          13
  621 #define LINUX_SHM_INFO          14
  622 
  623 #define LINUX_SHM_RDONLY        0x1000
  624 #define LINUX_SHM_RND           0x2000
  625 #define LINUX_SHM_REMAP         0x4000
  626 
  627 /* semctl commands */
  628 #define LINUX_GETPID            11
  629 #define LINUX_GETVAL            12
  630 #define LINUX_GETALL            13
  631 #define LINUX_GETNCNT           14
  632 #define LINUX_GETZCNT           15
  633 #define LINUX_SETVAL            16
  634 #define LINUX_SETALL            17
  635 #define LINUX_SEM_STAT          18
  636 #define LINUX_SEM_INFO          19
  637 
  638 union l_semun {
  639         l_int           val;
  640         l_uintptr_t     buf;
  641         l_uintptr_t     array;
  642         l_uintptr_t     __buf;
  643         l_uintptr_t     __pad;
  644 } __packed;
  645 
  646 /*
  647  * Socket defines
  648  */
  649 #define LINUX_SOCKET            1
  650 #define LINUX_BIND              2
  651 #define LINUX_CONNECT           3
  652 #define LINUX_LISTEN            4
  653 #define LINUX_ACCEPT            5
  654 #define LINUX_GETSOCKNAME       6
  655 #define LINUX_GETPEERNAME       7
  656 #define LINUX_SOCKETPAIR        8
  657 #define LINUX_SEND              9
  658 #define LINUX_RECV              10
  659 #define LINUX_SENDTO            11
  660 #define LINUX_RECVFROM          12
  661 #define LINUX_SHUTDOWN          13
  662 #define LINUX_SETSOCKOPT        14
  663 #define LINUX_GETSOCKOPT        15
  664 #define LINUX_SENDMSG           16
  665 #define LINUX_RECVMSG           17
  666 
  667 #define LINUX_SOL_SOCKET        1
  668 #define LINUX_SOL_IP            0
  669 #define LINUX_SOL_IPX           256
  670 #define LINUX_SOL_AX25          257
  671 #define LINUX_SOL_TCP           6
  672 #define LINUX_SOL_UDP           17
  673 
  674 #define LINUX_SO_DEBUG          1
  675 #define LINUX_SO_REUSEADDR      2
  676 #define LINUX_SO_TYPE           3
  677 #define LINUX_SO_ERROR          4
  678 #define LINUX_SO_DONTROUTE      5
  679 #define LINUX_SO_BROADCAST      6
  680 #define LINUX_SO_SNDBUF         7
  681 #define LINUX_SO_RCVBUF         8
  682 #define LINUX_SO_KEEPALIVE      9
  683 #define LINUX_SO_OOBINLINE      10
  684 #define LINUX_SO_NO_CHECK       11
  685 #define LINUX_SO_PRIORITY       12
  686 #define LINUX_SO_LINGER         13
  687 #define LINUX_SO_PEERCRED       17
  688 #define LINUX_SO_RCVLOWAT       18
  689 #define LINUX_SO_SNDLOWAT       19
  690 #define LINUX_SO_RCVTIMEO       20
  691 #define LINUX_SO_SNDTIMEO       21
  692 #define LINUX_SO_TIMESTAMP      29
  693 #define LINUX_SO_ACCEPTCONN     30
  694 
  695 #define LINUX_IP_TOS            1
  696 #define LINUX_IP_TTL            2
  697 #define LINUX_IP_HDRINCL        3
  698 #define LINUX_IP_OPTIONS        4
  699 
  700 #define LINUX_IP_MULTICAST_IF           32
  701 #define LINUX_IP_MULTICAST_TTL          33
  702 #define LINUX_IP_MULTICAST_LOOP         34
  703 #define LINUX_IP_ADD_MEMBERSHIP         35
  704 #define LINUX_IP_DROP_MEMBERSHIP        36
  705 
  706 struct l_sockaddr {
  707         l_ushort        sa_family;
  708         char            sa_data[14];
  709 } __packed;
  710 
  711 struct l_msghdr {
  712         l_uintptr_t     msg_name;
  713         l_int           msg_namelen;
  714         l_uintptr_t     msg_iov;
  715         l_size_t        msg_iovlen;
  716         l_uintptr_t     msg_control;
  717         l_size_t        msg_controllen;
  718         l_uint          msg_flags;
  719 };
  720 
  721 struct l_cmsghdr {
  722         l_size_t        cmsg_len;
  723         l_int           cmsg_level;
  724         l_int           cmsg_type;
  725 };
  726 
  727 struct l_ifmap {
  728         l_ulong         mem_start;
  729         l_ulong         mem_end;
  730         l_ushort        base_addr;
  731         u_char          irq;
  732         u_char          dma;
  733         u_char          port;
  734 } __packed;
  735 
  736 #define LINUX_IFHWADDRLEN       6
  737 #define LINUX_IFNAMSIZ          16
  738 
  739 struct l_ifreq {
  740         union {
  741                 char    ifrn_name[LINUX_IFNAMSIZ];
  742         } ifr_ifrn;
  743 
  744         union {
  745                 struct l_sockaddr       ifru_addr;
  746                 struct l_sockaddr       ifru_dstaddr;
  747                 struct l_sockaddr       ifru_broadaddr;
  748                 struct l_sockaddr       ifru_netmask;
  749                 struct l_sockaddr       ifru_hwaddr;
  750                 l_short         ifru_flags[1];
  751                 l_int           ifru_metric;
  752                 l_int           ifru_mtu;
  753                 struct l_ifmap  ifru_map;
  754                 char            ifru_slave[LINUX_IFNAMSIZ];
  755                 l_uintptr_t     ifru_data;
  756         } ifr_ifru;
  757 } __packed;
  758 
  759 #define ifr_name        ifr_ifrn.ifrn_name      /* Interface name */
  760 #define ifr_hwaddr      ifr_ifru.ifru_hwaddr    /* MAC address */
  761 
  762 struct l_ifconf {
  763         int     ifc_len;
  764         union {
  765                 l_uintptr_t     ifcu_buf;
  766                 l_uintptr_t     ifcu_req;
  767         } ifc_ifcu;
  768 } __packed;
  769 
  770 #define ifc_buf         ifc_ifcu.ifcu_buf
  771 #define ifc_req         ifc_ifcu.ifcu_req
  772 
  773 /*
  774  * poll()
  775  */
  776 #define LINUX_POLLIN            0x0001
  777 #define LINUX_POLLPRI           0x0002
  778 #define LINUX_POLLOUT           0x0004
  779 #define LINUX_POLLERR           0x0008
  780 #define LINUX_POLLHUP           0x0010
  781 #define LINUX_POLLNVAL          0x0020
  782 #define LINUX_POLLRDNORM        0x0040
  783 #define LINUX_POLLRDBAND        0x0080
  784 #define LINUX_POLLWRNORM        0x0100
  785 #define LINUX_POLLWRBAND        0x0200
  786 #define LINUX_POLLMSG           0x0400
  787 
  788 struct l_pollfd {
  789         l_int           fd;
  790         l_short         events;
  791         l_short         revents;
  792 } __packed;
  793 
  794 struct l_user_desc {
  795         l_uint          entry_number;
  796         l_uint          base_addr;
  797         l_uint          limit;
  798         l_uint          seg_32bit:1;
  799         l_uint          contents:2;
  800         l_uint          read_exec_only:1;
  801         l_uint          limit_in_pages:1;
  802         l_uint          seg_not_present:1;
  803         l_uint          useable:1;
  804 };
  805 
  806 #define LINUX_LOWERWORD 0x0000ffff
  807 
  808 /*
  809  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
  810  * These convert Linux user space descriptor to machine one.
  811  */
  812 #define LINUX_LDT_entry_a(info)                                 \
  813         ((((info)->base_addr & LINUX_LOWERWORD) << 16) |        \
  814         ((info)->limit & LINUX_LOWERWORD))
  815 
  816 #define LINUX_ENTRY_B_READ_EXEC_ONLY    9
  817 #define LINUX_ENTRY_B_CONTENTS          10
  818 #define LINUX_ENTRY_B_SEG_NOT_PRESENT   15
  819 #define LINUX_ENTRY_B_BASE_ADDR         16
  820 #define LINUX_ENTRY_B_USEABLE           20
  821 #define LINUX_ENTRY_B_SEG32BIT          22
  822 #define LINUX_ENTRY_B_LIMIT             23
  823 
  824 #define LINUX_LDT_entry_b(info)                                                 \
  825         (((info)->base_addr & 0xff000000) |                                     \
  826         ((info)->limit & 0xf0000) |                                             \
  827         ((info)->contents << LINUX_ENTRY_B_CONTENTS) |                          \
  828         (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |     \
  829         (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |         \
  830         (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |       \
  831         ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |                         \
  832         ((info)->useable << LINUX_ENTRY_B_USEABLE) |                            \
  833         ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
  834 
  835 #define LINUX_LDT_empty(info)           \
  836         ((info)->base_addr == 0 &&      \
  837         (info)->limit == 0 &&           \
  838         (info)->contents == 0 &&        \
  839         (info)->seg_not_present == 1 && \
  840         (info)->read_exec_only == 1 &&  \
  841         (info)->seg_32bit == 0 &&       \
  842         (info)->limit_in_pages == 0 &&  \
  843         (info)->useable == 0)
  844 
  845 /*
  846  * Macros for converting segments.
  847  * They do the same as those in arch/i386/kernel/process.c in Linux.
  848  */
  849 #define LINUX_GET_BASE(desc)                            \
  850         ((((desc)->a >> 16) & LINUX_LOWERWORD) |        \
  851         (((desc)->b << 16) & 0x00ff0000) |              \
  852         ((desc)->b & 0xff000000))
  853 
  854 #define LINUX_GET_LIMIT(desc)                   \
  855         (((desc)->a & LINUX_LOWERWORD) |        \
  856         ((desc)->b & 0xf0000))
  857 
  858 #define LINUX_GET_32BIT(desc)           \
  859         (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
  860 #define LINUX_GET_CONTENTS(desc)        \
  861         (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
  862 #define LINUX_GET_WRITABLE(desc)        \
  863         (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
  864 #define LINUX_GET_LIMIT_PAGES(desc)     \
  865         (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
  866 #define LINUX_GET_PRESENT(desc)         \
  867         (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
  868 #define LINUX_GET_USEABLE(desc)         \
  869         (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
  870 
  871 #define LINUX_CLOCK_REALTIME            0
  872 #define LINUX_CLOCK_MONOTONIC           1
  873 #define LINUX_CLOCK_PROCESS_CPUTIME_ID  2
  874 #define LINUX_CLOCK_THREAD_CPUTIME_ID   3
  875 #define LINUX_CLOCK_REALTIME_HR         4
  876 #define LINUX_CLOCK_MONOTONIC_HR        5
  877 
  878 typedef int l_timer_t;
  879 typedef int l_mqd_t;
  880 
  881 #define LINUX_CLONE_VM                  0x00000100
  882 #define LINUX_CLONE_FS                  0x00000200
  883 #define LINUX_CLONE_FILES               0x00000400
  884 #define LINUX_CLONE_SIGHAND             0x00000800
  885 #define LINUX_CLONE_PID                 0x00001000      /* No longer exist in Linux */
  886 #define LINUX_CLONE_VFORK               0x00004000
  887 #define LINUX_CLONE_PARENT              0x00008000
  888 #define LINUX_CLONE_THREAD              0x00010000
  889 #define LINUX_CLONE_SETTLS              0x00080000
  890 #define LINUX_CLONE_PARENT_SETTID       0x00100000
  891 #define LINUX_CLONE_CHILD_CLEARTID      0x00200000
  892 #define LINUX_CLONE_CHILD_SETTID        0x01000000
  893 
  894 #define LINUX_THREADING_FLAGS                                   \
  895         (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |  \
  896         LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
  897 
  898 struct iovec;
  899 
  900 struct l_iovec32 {
  901         uint32_t        iov_base;
  902         l_size_t        iov_len;
  903 };
  904 
  905 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
  906                             struct iovec **iovp, int error);
  907 
  908 /* robust futexes */
  909 struct linux_robust_list {
  910         l_uintptr_t                     next;
  911 };
  912 
  913 struct linux_robust_list_head {
  914         struct linux_robust_list        list;
  915         l_long                          futex_offset;
  916         l_uintptr_t                     pending_list;
  917 };
  918 
  919 #endif /* !_AMD64_LINUX_H_ */

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